液压

Since operators need not to directly touch the pipe tongs any more, such accidents could be avoided so as to gain obvious economic as well as social benefits.

上、卸油管丝扣是用钢丝绳悬调固定在作业井架的专用液压钳，当用液压钳上、卸上面的油管丝扣时，则需要操作人

The microprocessor controlled pitch regulation ensures continuous and optimal adjustment of the angles of the blades in relation to the prevailing wind.The pitch mechanism is fitted in the blade hub and contains a separate hydraulic pitch cylinder for each blade. These separate cylinders also ensure triple braking safety, because one feathered blade is sufficient to stop the turbine.The adjustment procedure takes place every second.

微处理器控制叶片针对自然风向进行连续不断地最优的角度调节，每个叶片里面都分别配有一个液压缸来适配这种机械调节装置，这些分离的液压缸同时能保证涡轮机的制动安全，叶片转得过快足以导致涡轮机停机。

Profile: Scrap shearing machine, hydraulic Da Baoji metal, metal shavings pressure pie machine, pressure plate-bending machines, automatic paper Da Baoji, conveyor chain plate and various presses, hydraulic, accessories And so on.

专业生产：废钢剪切机、金属液压打包机、金属屑压饼机、弯板压平机、全自动废纸打包机、链板式输送机及各种压力机、液压油缸、配件等。

The engineering drilling machine of KP2500 type is a species of full hydraulic pressure rotating plate-drilling machine developed by our company newly, this drill adopts full hydraulic pressure drive, con stant power variable loop, wheel cylinder startup and electrohydraulic multiple operation, the drill can adjust Torque according to stratum situation and reduce pressure to deep drilling automatically.

KP2500型工程钻机是我公司最新研制的一种全液压转盘式钻机，该机采用全液压驱动，恒功率变量回路，分泵起动，电液复合操作，钻机能够根据地层情况调整扭矩和减压自动钻进。

With advanced crankshaft link rod energizing structure, the SL253 sample piece presser is free from the drawbacks of the leaking of hydraulic oil and the slipping of gear wheels frequently occur in the traditional driving devices applied in general pressers.

SL253型压片机采用较先进的曲轴连杆增力机构，改变了一般压片机用液压或齿轮使动的传统方法，克服了液压容易漏油，齿轮可能打滑的缺陷。

This design topic is the entire plunger elevator design, it mainly includes three partial contents: Host computer design, hydraulic system design, control section design.

本次设计的题目是全液压升降机的设计，它主要包括三个部分的内容：主机的设计，液压系统的设计，控制部分的设计。

The planishing mill designed adopts a framework with an initiative driving system with double dynamoelectric machine, enclosed type of machine frame, fluid-pressure system and so on. As a focal point, this paper has discussed the design calculation for the planishing mill, including: structure parameter of a rolling mill, initiative driving system, choose for dynamoelectric machines, a design for fluid-pressure system, a determination for the size of the machine frame and its intensity checking, roller design and its intensity checking, life-span of the bearings and so on.

设计的平整机主要采用了双电机主传动传动系统、闭式机架，液压压下系统等机构；本论文着重在于研究了平整机的设计计算，具体包括：轧机的结构参数设计计算、主传动力能参数设计计算及电机的选择、液压压下系统设计、机架尺寸确定及其强度校核、轧辊设计和强度校核、轴承的寿命计算等。

J21 series of major producers, J23 series of mechanical presses, hydraulic and Y41 of 4-column correction with hydraulic pressure, J96 series hydraulic press machinery, iron Press, bit extruder, a total of more than 50 varieties, open-pressure Machine equipped with an emergency brake, optoelectronic devices ensure the protection of the security operation. J96-125, 160 hydraulic mechanical press has won the national patents, can provide to clients in a variety of special orders.

主要生产J21系列，J23系列机械压力机、四柱液压机和Y41单柱校正压装液压机、J96系列液压机械压力机、铁粉压块机、钻头挤压机，共50多个品种，开式压力机配置了紧急制动，光电保护装置保证了操作者的安全。J96-125、160型液压机械压力机已荣获国家专利，能为客户年提供各种特殊定货。

Proportional electromagnetic valve is an important element in hydraulic pressure systems.

比例电磁阀是液压系统中的一个重要控制元件。液压系统的运行特性很大程度上取决于比例电磁阀电磁执行器的特性。

Through installing pressure pipeline filter in hydraulic system, effectively eliminate impurity in the system, and extend service life of hydraulic system.

通过在液压系统中加入压力管路过滤器，有效消除了系统中的杂质，提高了液压系统的寿命。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。